//#include "MyFirstClass.h"
//#include <iostream>
//using namespace std;
//int main() {
//	int up_limt = 0;
//	int low_limit = 0;
//	cin >> up_limt >> low_limit;
//	MyFirstClass test;
//	test.swap(up_limt, low_limit);
//	cout << up_limt << " " << low_limit << endl;
//}